package com.itheima.Reggie.Controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.Reggie.Entity.Employee;
import com.itheima.Reggie.Service.EmployeeService;
import com.itheima.Reggie.common.R;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee) {
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
        lqw.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(lqw);
        if (emp == null || (!emp.getPassword().equals(password))) {
            return R.error("登录失败");
        }
        if (emp.getStatus() == 0) {
            return R.error("账号已禁用");
        }
        request.getSession().setAttribute("employee", emp.getId());
        return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request) {
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee) {
        log.info("添加的员工为:{}", employee.toString());
        employee.setPassword(DigestUtils.md5DigestAsHex("123459".getBytes()));
        //employee.setCreateTime(LocalDateTime.now());
        //employee.setUpdateTime(LocalDateTime.now());
        //long id = (long) request.getSession().getAttribute("employee");
        //employee.setCreateUser(id);
        //employee.setUpdateUser(id);
        employeeService.save(employee);
        return R.success("添加成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        log.info("size = {}, pageSize = {}, name = {}", page, pageSize, name);
        Page pageinfo = new Page(page, pageSize);
        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
        lqw.like(StringUtils.isNotEmpty(name), Employee::getName, name);
        lqw.orderByDesc(Employee::getUpdateTime);
        employeeService.page(pageinfo, lqw);
        return R.success(pageinfo);
    }

    @PutMapping
    public R<String> update(HttpServletRequest request, @RequestBody Employee employee) {
        log.info(employee.toString());
        //employee.setUpdateTime(LocalDateTime.now());
        //Long id = (Long) request.getSession().getAttribute("employee");
        //employee.setUpdateUser(id);
        employeeService.updateById(employee);
        return R.success("员工修改成功");
    }

    @GetMapping("/{id}")
    public R<Employee> getByid(@PathVariable Long id){
        log.info("查询员工信息....");
        Employee employee = employeeService.getById(id);
        if(employee != null){
            return R.success(employee);
        }
        return R.error("没有查询到员工信息");

    }
}
